Indication of the location of corresponding authors.
| Top Countries/ Regions | Authors | |
|---|---|---|
| 1 | China | 707 |
| 2 | United States | 334 |
| 3 | Australia | 198 |
| 4 | Germany | 165 |
| 5 | United Kingdom | 156 |
| 6 | France | 94 |
| 7 | Spain | 71 |
| 8 | Italy | 70 |
| 9 | Canada | 63 |
| 10 | South Korea | 39 |
| 11 | Japan | 38 |
| 12 | Sweden | 37 |
| 13 | India | 35 |
| 14 | Denmark | 33 |
| 15 | Norway | 33 |
| 16 | Switzerland | 32 |
| 17 | Singapore | 32 |
| 18 | New Zealand | 29 |
| 19 | Poland | 28 |
| 20 | Brazil | 24 |
Our authors submit research articles from all over the world. Authors collaborate frequently with peers at different institutions and in different countries/regions. This graph indicates the number of primary corresponding authors at the country/region level in the last five years.